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| author | claude-bot <[email protected]> | 2026-07-13 12:40:03 +0000 |
|---|---|---|
| committer | claude-bot <[email protected]> | 2026-07-13 12:40:03 +0000 |
| commit | 847962910f0bff071f3bf07c9abb87764fb6cac3 (patch) | |
| tree | ddcd429e134c7fd5f72ddc97ced175de8d66fcd0 /tools/ps2test/vu/light.vu | |
| download | librw-847962910f0bff071f3bf07c9abb87764fb6cac3.tar.gz librw-847962910f0bff071f3bf07c9abb87764fb6cac3.zip | |
Snapshot for re3/reVC vendoring, per @lzcnt.
Source: https://github.com/aap/librw (master).
Diffstat (limited to 'tools/ps2test/vu/light.vu')
| -rw-r--r-- | tools/ps2test/vu/light.vu | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/tools/ps2test/vu/light.vu b/tools/ps2test/vu/light.vu new file mode 100644 index 0000000..8f7a31c --- /dev/null +++ b/tools/ps2test/vu/light.vu @@ -0,0 +1,94 @@ +; Ambient light: + NOP LQ VF26, ambientLight(VI00) + NOP XITOP VI01 + NOP IADDIU VI03, VI12, 2 +Ambloop: + NOP LQ VF03, 0(VI03) ; output color + NOP NOP + NOP NOP + NOP NOP + ITOF0 VF03, VF03 NOP + NOP NOP + NOP NOP + NOP NOP + ADD.xyz VF03, VF03, VF26 NOP + NOP NOP + NOP NOP + NOP NOP + FTOI0 VF03, VF03 NOP + NOP IADDI VI01, VI01, -1 + NOP IADDIU VI03, VI03, numOutAttribs + NOP IBNE VI01, VI00, Ambloop + NOP SQ VF03, -numOutAttribs(VI03) +; end amblight + +; Direct Light + NOP LQ VF26, lightDir(VI00) + NOP XITOP VI01 + NOP XTOP VI02 + NOP IADDIU VI03, VI12, 2 + SUB.xyz VF26, VF00, VF26 NOP +Dirloop: + NOP LQ VF01, 3(VI02); ; normal + NOP LQ VF02, 0(VI03); ; output color + NOP NOP + NOP NOP + MUL VF03, VF01, VF26 NOP + ITOF0 VF02, VF02 NOP + NOP NOP + NOP NOP + ADDy.x VF03, VF03, VF03y NOP + NOP NOP + NOP NOP + NOP NOP + ADDz.x VF03, VF03, VF03z NOP + NOP NOP + NOP NOP + NOP NOP + MAX.x VF03, VF00, VF03 NOP ; clamp to 0 + NOP[I] LOI 255 + NOP NOP + NOP NOP + MULi.x VF03, VF03, I NOP + NOP NOP + NOP NOP + NOP NOP + ADDx.xyz VF02, VF02, VF03x NOP + NOP NOP + NOP NOP + NOP NOP + FTOI0 VF02, VF02 NOP + NOP IADDI VI01, VI01, -1 + NOP IADDIU VI02, VI02, numInAttribs + NOP IADDIU VI03, VI03, numOutAttribs + NOP IBNE VI01, VI00, Dirloop + NOP SQ VF02, -numOutAttribs(VI03) +; end dirlight + +; Material color and clamp + NOP LQ VF27, matColor(VI00) + NOP XITOP VI01 + NOP IADDIU VI03, VI12, 2 +Colorloop: + NOP LQ VF03, 0(VI03) + NOP NOP + NOP NOP + NOP NOP + ITOF0 VF03, VF03 NOP + NOP NOP + NOP NOP + NOP NOP + MUL VF03, VF03, VF27 NOP + NOP[I] LOI 255 + NOP NOP + NOP NOP + MINIi VF03, VF03, I NOP + NOP NOP + NOP NOP + NOP NOP + FTOI0 VF03, VF03 NOP + NOP IADDI VI01, VI01, -1 + NOP IADDIU VI03, VI03, numOutAttribs + NOP IBNE VI01, VI00, Colorloop + NOP SQ VF03, -numOutAttribs(VI03) +; end material color |